/*
 * Copyright 2009-2010 Original Author(s)
 * 
 * This file is part of Kommando
 * 
 * Kommando is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Kommando is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Kommando.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.kommando.filesystem.core;

import java.io.File;
import java.util.Arrays;

import javax.swing.filechooser.FileSystemView;

import org.kommando.core.util.Assert;

/**
 * {@link FileSystemObject} representing a disk in the filesystem.
 * 
 * @author Peter De Bruycker
 */
public class DiskObject extends FileSystemObject {

    public DiskObject(File file) {
        super(file);

        Assert.isTrue("file is not a disk", Arrays.asList(File.listRoots()).contains(file));
    }

    @Override
    public String getName() {
        return getFile().getAbsolutePath();
    }

    @Override
    public String getDescription() {
        return FileSystemView.getFileSystemView().getSystemDisplayName(getFile());
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof DiskObject) {
            DiskObject other = (DiskObject) obj;

            return getFile().equals(other.getFile());
        }
        return false;
    }

    @Override
    public int hashCode() {
        return getFile().hashCode();
    }
}
